Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653541 | Disk driving motor | Yutaka Ishizuka | 1997-08-05 |
| 5644084 | Method of measuring natural frequency of motor | Mitsuru Ide, Koichi Katakura | 1997-07-01 |
| 5633769 | Magnetic disc drive device | Mitsuru Ide, Toru Kumagai | 1997-05-27 |